The 35 Degree Angle Phone & PKM Stand can be used on:512/5224/5235/5312/5324/5320/5320e/5330/5330e/5340/5340e/5360 IP Phones, 8528/8560 Telephones and PKM 48.It replaces the 30 Degree Angle Stand on the 5215/5220 IP Phones (Stand P/N 51004405).